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From Wei-Chiu Chuang <weic...@apache.org>
Subject [VOTE] Release Apache Hadoop 3.3.1 - RC1
Date Mon, 24 May 2021 14:36:15 GMT
Hi community,

This is the release candidate RC1 of Apache Hadoop 3.3.1 line. All blocker
issues have been resolved.

It contains 697 fixed jira issues [2] since 3.3.0 which include a lot of
features and improvements(read the full set of release notes).

Below feature additions are the highlights of the release.
Using lz4-java in Lz4Codec
Using snappy-java in SnappyCodec
Provide Regex Based Mount Point In Inode Tree
Add Public IOStatistics API
ABFS: Delegation SAS Generator Updates
ABFS: Delegation SAS generator for integration with Ranger
Über-jira: S3A Hadoop 3.3.1 features
Add Metrics to HttpFS Server
EC: Verify EC reconstruction correctness on DataNode
Standby NameNode process getBlocks request to reduce Active load
LocatedFileStatusFetcher to collect/publish IOStatistics

*RC tag is release-3.3.1-RC1

*The RC1 artifacts are at*:
ARM artifacts: https://home.apache.org/~weichiu/hadoop-3.3.1-RC1-arm/

*The maven artifacts are hosted here:*

*My public key is available here:*

[1] https://issues.apache.org/jira/issues/?filter=12350491

My ask:
(1) please use the bits to test downstream applications. I am aware of a
number of API changes between 3.1.x and 3.3.1 and even between 3.3.0 and 3.3
.1. You should use this as an opportunity to test out applications and be
ready for it.

(2) please check out the release notes and change log, find out if anything
important should be included in 3.3.1.

Please try the release and vote. The vote will run for 5 days until
2021/05/30 at 00:00 CST.

Things I've verified:
* all blocker issues targeting 3.3.1 have been resolved.
* stable/evolving API changes between 3.3.0 and 3.3.1 are compatible.
* LICENSE and NOTICE files checked
* rat check passed.


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